Tedorigawa Dam, Rock-fill dam in Hakusan, Japan
Tedorigawa Dam rises 153 meters above the Tedori River and holds water in a large basin fed by mountain streams throughout Ishikawa Prefecture. The structure manages seasonal water flows through a steep valley surrounded by forest-covered hills.
The dam was built during Japan's period of modern infrastructure expansion to meet water management needs in the mountainous Hakusan area. The project emerged from efforts to supply growing regions with reliable water and hydroelectric power.
The structure sits within the Hakusan-Tedorigawa UNESCO Global Geopark, where visitors can observe how local communities have adapted to living in a landscape shaped by geology and water management.
Visitors can reach the dam by car from Kanazawa and view it from several observation points along the perimeter. The clearest views of the structure and surrounding mountains come during dry weather when visibility extends across the water and forests.
The dam collects snowmelt water from Mount Hakusan through a network of mountain streams that swell into rushing torrents during spring thaw. Water flows into a reservoir that stretches deep into forested valleys, creating a striking contrast between the rocky structure and the natural landscape.
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